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A008139
Coordination sequence T2 for Zeolite Code LTL.
1
1, 4, 10, 21, 35, 49, 66, 89, 117, 150, 190, 237, 283, 321, 359, 406, 463, 530, 608, 693, 771, 834, 892, 960, 1045, 1148, 1264, 1383, 1492, 1583, 1666, 1758, 1871, 2006, 2154, 2304, 2443, 2565, 2680, 2804, 2945, 3104, 3277, 3455, 3625, 3781, 3934, 4094, 4263
OFFSET
0,2
REFERENCES
W. M. Meier, D. H. Olson and Ch. Baerlocher, Atlas of Zeolite Structure Types, 4th Ed., Elsevier, 1996.
FORMULA
G.f.: (1 + x)^3 * (1 - x + x^2) * (1 + 3*x^2 + x^3 + 2*x^4 + 2*x^5 + 5*x^6 + 2*x^7 + 7*x^8 + 2*x^9 + 5*x^10 + 2*x^11 + 2*x^12 + x^13 + 3*x^14 + x^16) / ((1 - x)^3 * (1 + x^2) * (1 + x^4) * (1 + x^3 + x^6) * (1 + x + x^2 + x^3 + x^4 + x^5 + x^6)). - Colin Barker, Dec 20 2015
CROSSREFS
Sequence in context: A008042 A049486 A301130 * A301126 A316358 A038404
KEYWORD
nonn
STATUS
approved